All Questions
8 questions
2votes
0answers
332views
How to automate Ansible SSH login with Duo MFA for sudo access
The problem: I'm trying to run Ansible on a Mac to remotely configure a linux (ubuntu) server that requires MFA access for sudo usage. My goal is to keep the MFA in place (as required by our security ...
- 121
6votes
2answers
1kviews
What causes \r's to be inserted before \n's when retrieving a binary file over ssh, and how do I circumvent it?
I have inherited a Ubuntu 14.04 production server which needs to be upgraded to 20.04, and I would like a sandboxed version to experiment with first, hence I want to dump and restore the filesystems ...
1vote
1answer
8kviews
Disable su and sudo access for users
I have created a couple of users who use their SSH Keys to log in on a server. I don't want any user to have root access, i.e, no user should be able to do sudo su or su - another user. When I check ...
2votes
2answers
355views
Setting up users for ubuntu for ssh connection
I have created a new Ubuntu server and in root user, I created a new user. The steps I followed: sudo adduser tom sudo su - tom mkdir .ssh chmod 700 .ssh touch .ssh/authorized_keys chmod 600 .ssh/...
- 121
1vote
0answers
129views
How to send sudo password over pipe? [duplicate]
I need to replace existing sshd config on the remote PC and restart sshd, so I try to use this: cat /sshd_cfg | ssh [email protected] "cat > /etc/ssh/sshd_config && service sshd restart" ...
- 439
7votes
2answers
13kviews
PAM failing to authenticate sudo, after successfully contacting ssh-agent
Setting up PAM sudo authentication, using ssh-agent, on 14.04.1-Ubuntu server LTS. I'm still unable to successfully authenticate sudo, via the ssh-agent, using PAM. Here are my relevant /var/log/...
3votes
2answers
10kviews
SSH + Sudo + Expect in Bash script: Run command with sudo in remote machine
I am trying to automate the deploy of some .deb packages with an script. I want to execute sudo dpkg -i $myDeb.deb in a list of remote machines I can access with ssh. I've tried to automate the ...
- 1,261
46votes
7answers
164kviews
Can a linux user change their password without knowing the current password?
I'm setting up a few ubuntu boxes, and using opscode's chef as a configuration tool. It would be fairly easy to install public keys for each user on each of these servers, and disable password ...
- 46.7k
